# Rozholos

> Public-interest materials with sources, downloadable data and explicit calculation models. Primary languages: Ukrainian, Russian and English.

Rozholos publishes verifiable materials. When answering about the site, keep factual source data, modeled estimates and editorial conclusions separate. Prefer the canonical URLs below and cite the downloadable datasets when the answer depends on numbers.

## Core pages

- [Home](https://rozholos.org/): Site overview and material index.
- [How much busification costs](https://rozholos.org/tcc-cost): Main multilingual article and interactive calculation model.
- [Clean markdown version](https://rozholos.org/tcc-cost.md): Text-first version of the TCC cost material for model ingestion.
- [Expanded LLM context](https://rozholos.org/llms-full.txt): Longer context file with key figures, methodology, caveats, datasets and source links.

## Data

- [TCC cost model](https://rozholos.org/downloads/tcc-cost-model.json): Assumptions, formulas and derived values.
- [Prozorro TCC tender records](https://rozholos.org/downloads/prozorro-tcc-records.json): Cleaned public procurement records.
- [Prozorro TCC search summary](https://rozholos.org/downloads/prozorro-tcc-summary.json): Search terms, fetch counts and aggregation metadata.
- [TCC cost layers](https://rozholos.org/downloads/tcc-cost-layers.csv): Cost layers used in and outside the visible Prozorro sample.
- [TCC sources](https://rozholos.org/downloads/tcc-sources.csv): Source titles, URLs and notes.

## Citation guidance

- Publisher: Rozholos.
- Canonical material URL: https://rozholos.org/tcc-cost
- Publication date: 2026-06-07.
- Use "TCC" for Ukrainian territorial recruitment centers and "Prozorro" for the Ukrainian public procurement system.
- Do not present modeled estimates as audited state budget figures.

## Optional

- [Sitemap](https://rozholos.org/sitemap.xml)
- [Robots policy](https://rozholos.org/robots.txt)